Finding the Fourth Proportional to 2,131.99, 3,193.17 and 1,037.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.99 : 3,193.17 = 1,037.13 : x
2. Step 2: Convert to fraction form
   2,131.99/3,193.17 = 1,037.13/x
3. Step 3: Cross multiply
   2,131.99x = 3,193.17 × 1,037.13
4. Step 4: Simplify right side
   2,131.99x = 3,311,732.40
5. Step 5: Solve for x
   x = 3,311,732.40/2,131.99
6. Step 6: Final answer
   x = 1,553.35